A saline solution was placed under a heat lamp in an experiment. At 10:00 a. M., it had a 21% salt concentration. At 3:00 p. M., the salt concentration increased to 46% due to evaporation. By what percent did the salt concentration increase between 10:00 a. M. And 3:00 p. M.?

How many doughnuts are equal to 20 cookies.? 3 apples = 5 bananas6 cookies = 7 apples2 doughnuts = 1 banana

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?

Plz ! define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric